Core i7-8665U vs i7-4600U
Description
The i7-8665U is based on Whiskey Lake architecture while the i7-4600U is based on Haswell.
Using the multithread performance as a reference, the i7-8665U gets a score of 109.7 k points while the i7-4600U gets 64.5 k points.
Summarizing, the i7-8665U is 1.7 times faster than the i7-4600U . To get a proper comparison between both models, take a look to the data shown below.
Using the multithread performance as a reference, the i7-8665U gets a score of 109.7 k points while the i7-4600U gets 64.5 k points.
Summarizing, the i7-8665U is 1.7 times faster than the i7-4600U . To get a proper comparison between both models, take a look to the data shown below.
Specs
CPUID
806ec
40651
Core
Whiskey Lake-U
Haswell
Base frecuency
1.9 GHz
2.1 GHz
Boost frecuency
4.8 GHz
3.3 GHz
Socket
BGA 1528
BGA1168
Cores/Threads
4/8
2/4
TDP
15 W
15 W
Cache L1 (d+i)
4x32+4x32 kB
32+32 kB
Cache L2
4x256 kB
256 kB
Cache L3
8192 kB
4096 kB
Date
April 2019
September 2013
Mean monothread perf.
35.19k points
28.98k points
Mean multithread perf.
109.72k points
64.55k points
AVX2 optimized benchmark
The benchmark in mode III (AVX2), like AVX1, is optimized to used 256 bits registers beside the second version of the Advanced Vector Extensions (AVX). The first AVX2 compatible CPU was released in 2013.
Monothread
i7-8665U
i7-4600U
Test#1 (Integers)
14.38k
14.37k (x1)
Test#2 (FP)
13.43k
8.31k (x0.62)
Test#3 (Generic, ZIP)
2.87k
3.35k (x1.16)
Test#1 (Memory)
4.49k
2.96k (x0.66)
TOTAL
35.19k
28.98k (x0.82)
Multithread
i7-8665U
i7-4600U
Test#1 (Integers)
47.22k
31.32k (x0.66)
Test#2 (FP)
46.99k
20.17k (x0.43)
Test#3 (Generic, ZIP)
10.08k
8.02k (x0.8)
Test#1 (Memory)
5.42k
5.03k (x0.93)
TOTAL
109.72k
64.55k (x0.59)
Performance/W
i7-8665U
i7-4600U
Test#1 (Integers)
3148 points/W
2088 points/W
Test#2 (FP)
3133 points/W
1345 points/W
Test#3 (Generic, ZIP)
672 points/W
535 points/W
Test#1 (Memory)
361 points/W
336 points/W
TOTAL
7314 points/W
4303 points/W
Performance/GHz
i7-8665U
i7-4600U
Test#1 (Integers)
2996 points/GHz
4353 points/GHz
Test#2 (FP)
2799 points/GHz
2517 points/GHz
Test#3 (Generic, ZIP)
599 points/GHz
1015 points/GHz
Test#1 (Memory)
936 points/GHz
896 points/GHz
TOTAL
7330 points/GHz
8781 points/GHz
Monothread performance graph
Monothread performance graphics gives the performance vs time. They are useful to measure the time it takes to the CPU to reach the maximum performance.
Usually, CPU's performance will be steady during these tests but if it has a slow frequency strategy, the first samples will show a lower score.
Usually, CPU's performance will be steady during these tests but if it has a slow frequency strategy, the first samples will show a lower score.
Test#1 (Integers) [points vs time]
Test#2 (FP) [points vs time]
Test#3 (Generic, ZIP) [points vs time]
Test#1 (Memory) [points vs time]
Multithread performance graph
Multithread graphs measure the performance against a heavy load during certain time.
If CPU's TDP doesn't limit the frequency and the machine is properly cooled, performance should remain steady vs time. Otherwise, the performance score will oscillate or decrease over time.
If CPU's TDP doesn't limit the frequency and the machine is properly cooled, performance should remain steady vs time. Otherwise, the performance score will oscillate or decrease over time.
Test#1 (Integers) [points vs time]
Test#2 (FP) [points vs time]
Test#3 (Generic, ZIP) [points vs time]
Test#1 (Memory) [points vs time]
Hardlimit Benchmark Central - Ver. 3.11.4